* {
    margin: 0;
    padding: 0;
    list-style: none;
    text-decoration: none;
  }
  .wrap {
    width: 1500px;
    margin: 0 auto;
  }
  .wrap header nav {
    display: flow-root;
    height: 70px;
    line-height: 70px;
    background: linear-gradient(to top, #ececea, #fafafa 50%);
  }
  .wrap header nav .logo {
    float: left;
    height: 50px;
    margin-top: 10px;
    padding: 0 60px;
  }
  .wrap header nav .logo img {
    height: 100%;
    display: block;
  }
  .wrap header nav > ul {
    float: left;
    display: flow-root;
    font-size: 0;
  }
  .wrap header nav > ul > li {
    float: left;
    padding: 0 40px;
    background: linear-gradient(to top, #b3adb0, #f4f3f3) no-repeat
      calc(100% - 1px) 2px/1px 66px;
    font-size: 14px;
    position: relative;
  }
  .wrap header nav > ul > li:hover {
    background: #deddde linear-gradient(to top, #b3adb0, #f4f3f3) no-repeat
      right 2px/1px 66px;
  }
  .wrap header nav > ul > li:hover .two_menu {
    display: block;
  }
  .two_menu {
    width: 100%;
    position: absolute;
    left: 0;
    top: 100%;
    display: none;
    z-index: 10;
  }
  .two_menu > ul {
    width: 100%;
  }
  .two_menu > ul > li {
    width: 100%;
    line-height: 70px;
    background: linear-gradient(to top, #ececea, #fafafa 50%);
    text-align: center;
    position: relative;
  }
  .two_menu > ul > li:hover {
    background: #deddde;
  }
  .two_menu > ul > li:hover .three_menu {
    display: block;
  }
  .three_menu {
    width: 100%;
    position: absolute;
    left: 100%;
    top: 0;
    display: none;
  }
  .three_menu ul {
    width: 100%;
  }
  .three_menu ul li {
    width: 100%;
    text-align: center;
    line-height: 70px;
    background: linear-gradient(to top, #ececea, #fafafa 50%);
  }
  .three_menu ul li:hover {
    background: #deddde;
  }

  .wrap header .banner {
    width: 100%;
    box-shadow: 0 15px 20px -10px #000;
    overflow: hidden;
    position: relative;
  }
  .wrap header .banner .bannerBox {
    width: 100%;
    display: flex;
    transition: all 1s ease;
  }
  .wrap header .banner .bannerBox .imgBox {
    width: 100%;
    flex: 0 0 auto;
    position: relative;
  }
  .wrap header .banner .bannerBox .imgBox img {
    width: 100%;
    display: block;
  }
  .wrap header .banner .bannerBox .imgBox .text {
    position: absolute;
    left: 310px;
    top: 0;
  }
  .wrap header .banner .bannerBox .imgBox .text .text_nav {
    margin-top: 15px;
    margin-bottom: 100px;
  }
  .wrap header .banner .bannerBox .imgBox .text .text_nav ul {
    display: flow-root;
    color: #fff;
  }
  .wrap header .banner .bannerBox .imgBox .text .text_nav ul li {
    float: left;
    font-size: 12px;
    line-height: 22px;
  }
  .wrap
    header
    .banner
    .bannerBox
    .imgBox
    .text
    .text_nav
    ul
    li:nth-child(2) {
    /* margin: 0 5px; */
    font-size: 20px;
  }
  .wrap header .banner .bannerBox .imgBox .text .title {
    color: #fff;
  }
  .wrap header .banner .bannerBox .imgBox .text .title h2 {
    font-size: 48px;
    line-height: 1;
  }
  .wrap header .banner .bannerBox .imgBox .text .title h3 {
    font-size: 16px;
    font-weight: 400;
    letter-spacing: 1px;
  }
  .wrap header .banner .bannerBox .imgBox .text .title h4 {
    font-size: 22px;
    margin-top: 8px;
    margin-bottom: 30px;
  }
  .wrap header .banner .bannerBox .imgBox .text .share .videoBox {
    width: 135px;
    box-shadow: 0 0 0 2px #fff, 5px 5px 10px 4px #fff;
    margin-bottom: 25px;
  }
  .wrap header .banner .bannerBox .imgBox .text .share .videoBox img {
    width: 100%;
    display: block;
  }
  .wrap header .banner .bannerBox .imgBox .text .share .btnBox button {
    width: 112px;
    height: 38px;
    background: linear-gradient(to top, #004b82, #0090cc);
    color: #fff;
    border: none;
    border-radius: 7px;
  }
  .wrap
    header
    .banner
    .bannerBox
    .imgBox
    .text
    .share
    .btnBox
    button:last-child {
    position: relative;
    text-align: left;
    padding-left: 14px;
    background: linear-gradient(to top, #006592, #3098cd) no-repeat 70%
        bottom/1px 100%,
      linear-gradient(to top, #00487c, #0082bb) no-repeat calc(70% + 2px)
        bottom/1px 100%,
      linear-gradient(to top, #004b82, #0090cc);
  }
  .wrap
    header
    .banner
    .bannerBox
    .imgBox
    .text
    .share
    .btnBox
    button:last-child
    i {
    position: absolute;
    line-height: 38px;
    top: 0;
    right: 10px;
  }
  .wrap header .banner > i {
    font-size: 40px;
    color: #fff;
    position: absolute;
    top: 45%;
    left: 20px;
  }
  .wrap header .banner > i:nth-of-type(2) {
    transform: rotateY(180deg);
    left: auto;
    right: 20px;
  }
  .wrap header .news {
    padding: 6.5px 0;
    display: flow-root;
    width: 1024px;
    background-color: #004377;
    margin: 0 auto;
    font-size: 12px;
    position: relative;
  }
  .wrap header .news::before {
    content: "";
    border: 17.5px solid #004377;
    width: 0;
    height: 0;
    position: absolute;
    border-left-color: transparent;
    border-bottom-color: transparent;
    left: -35px;
    top: 0;
  }
  .wrap header .news::after {
    content: "";
    border: 17.5px solid #004377;
    width: 0;
    height: 0;
    position: absolute;
    border-right-color: transparent;
    border-bottom-color: transparent;
    right: -35px;
    top: 0;
  }
  .wrap header .news .icon {
    width: 55px;
    height: 22px;
    background: linear-gradient(to top, #035fa4 50%, #4f93c8 50%);
    line-height: 22px;
    text-align: center;
    color: #fff;
    position: relative;
    float: left;
    margin: 0 45px 0 35px;
  }
  .wrap header .news .icon::after {
    content: "";
    position: absolute;
    width: 0;
    height: 0;
    border: 5.5px solid #004377;
    border-left-color: transparent;
    border-bottom-color: transparent;
    left: 80%;
    top: 0;
  }
  .wrap header .news .icon::before {
    content: "";
    position: absolute;
    width: 0;
    height: 0;
    border: 5.5px solid #004377;
    border-top-color: transparent;
    border-left-color: transparent;
    left: 80%;
    top: 12px;
  }
  .wrap header .news p {
    float: left;
    line-height: 22px;
    color: #fff;
  }